72250736226 has 16 divisors (see below), whose sum is σ = 145101066528. Its totient is φ = 23983646400.

The previous prime is 72250736221. The next prime is 72250736231. The reversal of 72250736226 is 62263705227.

It is an interprime number because it is at equal distance from previous prime (72250736221) and next prime (72250736231).

It is not an unprimeable number, because it can be changed into a prime (72250736221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24981520 + ... + 24984411.

It is an arithmetic number, because the mean of its divisors is an integer number (9068816658).

Almost surely, 2^72250736226 is an apocalyptic number.

72250736226 is an abundant number, since it is smaller than the sum of its proper divisors (72850330302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72250736226 is a wasteful number, since it uses less digits than its factorization.

72250736226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49966177.

The product of its (nonzero) digits is 423360, while the sum is 42.

The spelling of 72250736226 in words is "seventy-two billion, two hundred fifty million, seven hundred thirty-six thousand, two hundred twenty-six".